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Refrigerating machine oil for carbon dioxide refrigerant Grant 7,993,543 - Tagawa , et al. August 9, 2 | 2011-08-09 |
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Lubricant Oil Composition For Internal Combustion Engine App 20110065618 - Tagawa; Kazuo | 2011-03-17 |
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Lubricant Base Oil, Method For Production Thereof, And Lubricant Oil Composition App 20110049008 - Tagawa; Kazuo ;   et al. | 2011-03-03 |
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Operating Oil For Buffer App 20100137176 - Aoki; Tooru ;   et al. | 2010-06-03 |
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Lube Base Oil, Lubricating Oil Composition For Internal Combustion Engine, And Lubricating Oil Composition For Drive Transmissoin Device App 20100016195 - Shirahama; Shinichi ;   et al. | 2010-01-21 |
Base Oil Of Refrigerating Machine Oil For Carbon Dioxide Refrigerant And Refrigerating Machine Oil For Carbon Dioxide Refrigerant App 20090200507 - Tagawa; Kazuo ;   et al. | 2009-08-13 |
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